Answer:
C
Step-by-step explanation:
C
-1. -1 *5 = -5 you just have to divide 5 on both sides which will give you n = -1
Answer:
An imaginary number, the i represents that
Answer:
Step-by-step explanation: That is a 90 degree angle. Using L is an example of a 90 degree angle, or a right angle, which is its common name.